04 October 2006

ISA wireless standard sees support, success

Automation industry power Emerson Process Management reaffirmed its support of the ISA-100 standard this week at its annual users-group conference in Nashville, Tenn.
“We want to move this standard forward, not so that we get a bigger piece of the wireless pie,” said Emerson-Rosemount’s Chief Steve Sonnenberg, “but so that there is a bigger pie.”
Emerson supports the ISA and HART standards.
The ISA-100 standard is for industrial wireless networking in a broad set of industries, which addresses the complete architecture from plant-floor sensor to the chairperson’s boardroom.
Twenty-four companies, including Emerson, presented their technical proposals in September at ISA’s headquarters in Research Triangle Park, N.C. Eighteen of those companies have aligned themselves on certain commonalities, and Emerson is one of them.
The elements the group settled on are an 802.15.4 physical layer; a channel hopping, time-synchronized, self-organizing mesh protocol; and industry standard security architecture.
The expectation is ISA-100 will arrive mid-2008.
The HART standard focuses on process automation and seeks to protect the installed-base investment that exists in millions of instruments. HART is technology in which Emerson and Rosemount have great financial and historical interest. The HART Communication Foundation will review and validate any proposed standard.
Emerson is collaborating with suppliers in the development of this standard, and the company hopes to have a draft ready in February 2007.
—Nicholas Sheble

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